262980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{487}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 819840

約数和(自身を除く): 556860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 487, 540, 974, 1461, 1948, 2435, 2922, 4383, 4870, 5844, 7305, 8766, 9740, 13149, 14610, 17532, 21915, 26298, 29220, 43830, 52596, 65745, 87660, 131490, 262980]

約数ペア:

[(1, 262980), (2, 131490), (3, 87660), (4, 65745), (5, 52596), (6, 43830), (9, 29220), (10, 26298), (12, 21915), (15, 17532), (18, 14610), (20, 13149), (27, 9740), (30, 8766), (36, 7305), (45, 5844), (54, 4870), (60, 4383), (90, 2922), (108, 2435), (135, 1948), (180, 1461), (270, 974), (487, 540)]